Home / 5,458.04-8,184.66-1,561.56

Finding the Fourth Proportional to 5,458.04, 8,184.66 and 1,561.56

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Solution

The fourth proportional to 5,458.04, 8,184.66 and 1,561.56 is: 2,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.04 : 8,184.66 = 1,561.56 : x
  2. Step 2: Convert to fraction form
    5,458.04/8,184.66 = 1,561.56/x
  3. Step 3: Cross multiply
    5,458.04x = 8,184.66 × 1,561.56
  4. Step 4: Simplify right side
    5,458.04x = 12,780,837.67
  5. Step 5: Solve for x
    x = 12,780,837.67/5,458.04
  6. Step 6: Final answer
    x = 2,341.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.